MetaModels\Attribute\BaseSimple::deleteColumn PHP Метод

    public function deleteColumn()
    {
        // Try to delete the column. If it does not exist as we can assume it has been deleted already then.
        if ($this->getColName() && $this->getMetaModel()->getServiceContainer()->getDatabase()->fieldExists($this->getColName(), $this->getMetaModel()->getTableName(), true)) {
            TableManipulation::dropColumn($this->getMetaModel()->getTableName(), $this->getColName());
        }
    }